<%--
  Created by IntelliJ IDEA.
  User: LENOVO
  Date: 2018/5/13
  Time: 22:07
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>求和</title>
</head>
<body>

<p>1+2+3+...+100的和</p>
<%
    int sum=0;
    for (int i=1;i<=100;i++){
        sum+=i;
    }
    pageContext.setAttribute("b",sum );
%>
${b}
</body>
</html>
